The 'Pinot / Nebbiolo' from Riedel's O series is a beautiful stemless crystal wine tumbler, which has a wide bowl allowing the wine to breathe freely. The 'O' range of stemless crystal wine glasses from Riedel is based on the classic shapes of Vinum and all its wine glasses are grape-specific, while allowing for easy transportation without fear of breakages. A true convenience product, letting you enjoy wine wherever you are. machine-made with non-lead crystal. All Riedel glasses are dishwasher-safe.